The Savannah tribune. [volume] (Savannah [Ga.]) 1876-1960, 1887-04-09
'rENTIFIC AND INDUSTRIAL.

4r. August Carter, of the Royal Aqua
wi, at South Kensington, examined
~ BY thousands of newly matched trout
salmon. He found a defornity in
10y 1000, and one case of monstrosity
~ hlch as twin or double headed tish-in
Efy 1000.
3A Chicago man has invented a steam
Il shauler which is in successful opera
30 II upper Michigan, says the North
Tern Lumbermda. 1T has four drive
& GELS furnished with teeth, which can
fnekcpt hot with steam so that they will
sx into an icy road without tearing itup.
aiaws from eight to twelve sleds, each
sMs led with from 1000 to 5000 feet of
& at the rate Of four miles an hour
sosSfhe ffothy substance which is often
md on grass, and popularity known as
6g-spittle, says the Boston Journal of
a eglStfy, has no connection with that
NAL 1t is caused by a little insect
= iich secretes a yiscid, transparent fluid,
'essth which he is completely covered. To
4 ble him to breathe, he reaches out
sr Of legs, and, inclosing little bubble
ps air, brings it down, and afterward
ows it to escape into the liquid After
--ghile the numerous bubbles convert it
npletely into froth or a substance re-
TFbling saliva.
.eiWhile some forms of fungus are most
structive to vegetation, it is now be-
rived that there are others which render
hflstance to the plants on which they
Sspe Frank found that the fungus COW
Irs fqafr laa e ~
lest trees, as the beech and the oak,
I'll inns to help in the nutrition of those
III Yes. Another interesting case has
freely been studied in Germany by Wahr-
III, who finds that yellow blader-like
'ngus Of the root tissue of orchids works
p pcreeptibe harm to the plants, but on
u te contrary probably aids them by
bxanging woody matters into form that
ssitey may more readily absorb.
3vi Experiments have been carried on in
4 ,5rious German localities looking to bet
4 h protection from lightning A Ores
snSn nickel has been successfully used as
ibltmaterial for construction. Its adyan-
gcs are that it is non -corrodible and will
pep bright at the points, thereby in
i: leasing the efficiency of the rods as col
Actors of atmospheric electricity. City
y srchitect Schiller of EssIinger states that
hghtning struck pear tree thirty three
hfet high. On one side was school
douse rs feet away, with rod tifty-six
Il let high; on the other church, 1913
Yet away, with rod 154 feet Both
slbds were tested and shown to be in per-
snct condition.
ai The Boston Journal Of Chemistry notes
sae curious fact that the great mass of the
rain, with all its ganglia of gray matter,
prming the medium of intellectual
Sower, is entirely without sensation.
bhechanical irritation does not produce
nhe slightest convulsive movement on
,he muscles below The only portions Of
/ .he brain that are followed by convulsive
Movements by irritation are the lower and
'nentral portions, forming the continuation
nf the spinal cord And these ARE the
Hs3nly portions of the organ that give rise
10 painful sensations when irritated The
most central portions of the nervous sys-
1sem, particularly the gray matter, are
salestitute both of excitability and sensi-
epility. 1t is only those portions which
Nerve to conduct sensations and nervous
IMPULSES that can be excited by mechanical
Irritation.